Transaction not yet indexed

4x21vmozUPLKZT1mEVudZmcmMj3jLCLTYdejTBUEBcJoJ1HFpTuybqmaP6pt7HdDwr55a3z8daJ9F5LaaZPZGWe2

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.